Citation for exhausts having significantly less NOx than city air? | Hacker News

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		londons_explore on Jan 3, 2019 \| parent \| context \| favorite \| on: Norway's electric cars zip to new record: almost a... Citation for exhausts having significantly less NOx than city air?

microcolonel on Jan 3, 2019 [–]

> Citation for exhausts having significantly less NOx than city air?

I absolutely, unequivocally, did not say that.

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